1999 UM41

1999UM41, 1997 ER3, 1997ER3, 70706, J97E03R, J99U41M

All data for this body: [vot]

MPC data
Name (number) 1999 UM41 (70706)
a 2.66330
e 0.02732
i / sin(i) 3.9010 / 0.06803
q 2.59052
Q 2.73607
ω 128.3492
Node 351.7022
m 224.7687
n 0.2268
Epoch 2460800.5
nobs 855
nopp 21
Years observed 1971-2025
rms 0.86
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.664
ep 0.055
sin(ip) 0.071
G 0.150
H 15.860
Mass
D 4.11 0.288
pV 0.060 0.0119
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 5.964
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6640 0.0553 0.0714 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.11 0.288 0.288 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.060 0.0119 0.0119 Masiero 2011ApJ...741...68M NEATM
G data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.15 MPC-2023-12-94 MPC-2023-12-94 Phot
H data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
15.86 MPC-2023-12-04 MPC-2023-12-04 Phot
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
B B 0.3765 0.3765 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C 0.994 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT